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requirements for new and renovated buildings, assuring reductions in energy use and emissions over the life of the
building codes, which establish baseline requirements and govern building construction.
cost-effective to operate, assuring energy, economic and environmental benefits.
plumbing, etc.) in One book
commercial construction; IBC addresses all
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townhouses of any size and R-2, R-3, R-4 ≤ 3 stories
by definition; are “commercial”
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under applicable residential code
building under applicable commercial code
regarding compliance materials, software, worksheets, compliance options
separated from remainder of building by building thermal envelope assemblies complying with C402 are exempt from the Envelope provisions if:
conditioning purposes, OR
contain conditioned space, OR
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Prescriptive ASHRAE 90.1-2016 Simulated Performance
Section C407 – Total Building Performance Section C402.5 – Air Leakage Section C405 – Lighting Section C404 – Service Water Heating Section C403 – Mechanical Section C402 – Envelope Section C403.2 – Mechanical Systems Section C404 – Service Water Heating Section C405 – Lighting Mandatory Sections Building energy cost to be ≤85% of standard reference design Section C406 – At Least One Required
C406.2 - Eff. HVAC Performance C406.3 - Reduced Lighting Power C406.4 - Enhanced Lighting Controls C406.6 - Dedicated Outdoor Air System C406.5 -On-Site Renewable Energy C406.7 - High Eff. Service Hot Water C406.8 - Enhanced Building Envelope C406.9 – Reduced Air Infiltration
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completed is 50% or more of the replacement cost of the building
buildings Exceptions:
luminaires in a space are replaced and installed interior power lighting is not increased
fixtures (except low-voltage) are fitted for and include high-efficacy lamps
refrigerated warehouse coolers, and refrigerated warehouse freezers comply with C403.2.15 or C403.2.16
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Exception:
buildings that have a minimum of 75 percent of high efficacy lighting
Compact fluorescent lamps, LED lamps, T8 or smaller diameter linear fluorescent lamps, or
wattage
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Lamp Wattage Efficacy > 40 watts 60 lumens/watt 15-40 watts 50 lumens/watt < 15 watts 40 lumens/watt
Building Area Type LPD (w/ft) Automotive Facility 0.71 Convention Center 0.76 Courthouse 0.90 Dining: bar lounge/leisure 0.90 Dining: cafeteria/fast food 0.79 Dining: family 0.78 Dormitory 0.61 Exercise Center 0.65 Fire Station 0.53 Office 0.79
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(Partial Table)
Common Space Types LPD (w/ft2) Locker Room 0.48 Lounge/Breakroom In a healthcare facility 0.78 Otherwise 0.62 Office Enclosed 0.93 Open Plan 0.81 Parking Area, Interior 0.14 Pharmacy Area 1.34
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(Partial Table)
Retail Area 1 = the floor area for all products not listed in Retail Area 2, 3 or 4 Retail Area 2 = the floor area used for the sale of vehicles, sporting goods and small electronics
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Retail Area 3 = the floor area used for the sale of furniture, clothing, cosmetics and artwork Retail Area 4 = the floor area used for the sale of jewelry, crystal, and china.
permitted to be included in Retail Areas 2 through 4 above, provided that justification documenting the need for additional lighting power based on visual inspection, contrast, or other critical display is approved by the code official
installed in addition to general lighting for the purpose of decorative appearance or for highlighting art or exhibits, provided that the additional lighting power is < 0.9 W/ft2 in lobbies and < 0.75 W/ft2 in other spaces
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1000Bulbs.com Blog 1000Bulbs.com Blog
building power
conductors, and plug-in busways specified wattage of the luminaires but not less than 8 W per linear foot OR the wattage limit of other permanent current-limiting devices
sources not covered previously and associated with interior lighting verified by data supplied by the manufacturer or
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part of the design for the space including:
Wattage must be less than or equal to Allowed Wattage
Home Depot
arenas
business operation
impairment and other medical and age-related issues)
to general lighting and controlled independently)
monuments (in addition to general lighting and controlled independently)
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manufacturer
facilities
ceiling-height partitions
by automatic shutoff
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Occupancy Sensors are required in:
height partitions
Exemptions: Full auto-on controls allowed in:
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50% when areas are unoccupied
independently
being controlled by the sensor
previously described Occupant Sensor Control Functions
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In all other In Open Plan Office Areas spaces :
with floor areas not greater than 600 ft2
control zones within 20 minutes after
reduced by not less than 80% of full zone general lighting power, in reasonable uniform illumination pattern within 20 minutes of all
lights completely off when zone is vacant meet this requirement
general lighting or control zone general lighting
detected
Exceptions: where a manual control can provide the light reduction and time-switch control is not required:
endanger occupant safety or security
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7 different day types/week
all controlled lighting loads for ≥ 24 hours and resume to normally scheduled operations
program and time setting for ≥ 10 hours if power is interrupted
Modified Functions for Exemptions:
switch is a captive key device
ft2 provided area is < 20,000 ft2
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areas are not required to have light reduction controls:
< 100 watts
mechanical rooms
Light Reduction Control Not required in daylight zones with daylight responsive controls complying with C405.2.3
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alternate luminaires or lamps
independently from the outer lamps
Daylight Responsive Controls are required to control lighting in daylight zones where there is greater than 150 watts of general lighting within:
Exceptions:
provided
A-2 and Group M occupancies
is less than the adjusted Lighting Power Allowance
Uncontrolled Daylight Zone Floor Area Total Building Floor Area
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lights in sidelit zones
calibrated from within the space by authorized personnel
ready access
reading rooms, controls shall dim lights continuously from full light output to 15% of full
lights
(within 45 degrees of due north, east, south, west) controlled independently of each other Exception:
controlled together with lighting in a daylight zone facing a different cardinal orientation
edge of the fenestration to the nearest fullheight wall, or up to 2 ft., whichever is less
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Sidelit zone shall extend laterally to the nearest full-height wall < 1.0 x height from the floor to the top of the fenestration longitudinally from the edge of the fenestration to the nearest fullheight wall, or up to 2 ft., whichever is less
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Definition: The floor area underneath a roof fenestration assembly that complies with all
assembly to the nearest obstruction that is (taller) > 0.7 x the ceiling height, > 0.7 x the ceiling height, whichever is less
taller than 0.7 x the ceiling height, or up to 1.0 times the height from floor to bottom of fenestration, whichever is less, and longitudinally from the edge of the fenestration to the nearest obstruction taller than 0.7 x ceiling height, or up to 0.25 times the height from the floor to bottom of fenestration, whichever is less
fenestration assembly at the peak solar angle on the summer solstice
assembly times the area of the rough opening of the roof fenestration assembly divided by area of daylight zone > 0.008
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Zone shall extend laterally and longitudinally beyond the edge of the roof fenestration assembly to the nearest obstruction that is (taller) > 0.7 x the ceiling height, > 0.7 x the ceiling height, whichever is less
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Where located in rooftop monitor, toplit zone to extend laterally to nearest
taller than 0.7 x the ceiling height, or up to 1.0 times the height from floor to bottom
whichever is less And longitudinally from the edge of the fenestration to the nearest obstruction taller than 0.7 x ceiling height, or up to 0.25 times the height from the floor to bottom of fenestration, whichever is less
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And longitudinally from the edge of the fenestration to the nearest obstruction taller than 0.7 x ceiling height, or up to 0.25 times the height from the floor to bottom of fenestration, whichever is less Where located in rooftop monitor, toplit zone to extend laterally to nearest
taller than 0.7 x the ceiling height, or up to 1.0 times the height from floor to bottom
whichever is less
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Lighting Zone Description 1 Developed areas of national parks, state parks, forest land, and rural areas 2 Areas predominantly consisting of residential zoning, neighborhood business districts, light industrial with limited nighttime use and residential mixed use areas 3 All other areas not classified as lighting zone 1, 2 or 4 4 High-activity commercial districts in major metropolitan areas as designated by the local land use planning authority
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Zone 1 Zone 2 Zone 3 Zone 4 Base Site Allowance 350 W 400 W 500 W 900 W Uncovered Parking Areas Parking areas and drives 0.03 W/ft2 0.04W/ft2 0.06 W/ft2 0.08 W/ft2 Building Grounds Walkways and ramps less than 10 feet wide 0.5 W/lin. foot 0.5 W/lin. foot 0.6 W/lin. foot 0.7 W/lin. foot Walkways and ramps 10 feet wide or greater Plaza Areas Special Feature Areas 0.10 W/ft2 0.10 W/ft2 0.11 W/ft2 0.14 W/ft2
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(Partial Table)
Zone 1 Zone 2 Zone 3 Zone 4 Building Facades No Allowance 0.075 W/ft2of gross above-grade wall area 0.113 W/ft2of gross above-grade wall area 0.15 W/ft2of gross above-grade wall area Automated teller machines (ATM) and night depositories 135 W per location plus 45 W per additional ATM per location Uncovered entrances and gatehouse inspection stations at guarded facilities 0.5 W/ft2of area Uncovered loading areas for law enforcement, fire, ambulance and
0.35 W/ft2of area Drive-up window and doors 200 W per drive-through Parking near 24-hour retail entrances 400 W per main entry
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Exception: approved because of safety considerations
1. Calculate exterior lighting power allowance
2. Calculate proposed connected lighting power
3. Compare values: proposed wattage must be less than or equal to allowed wattage
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The following lighting does not need to be included in the proposed lighting calculation:
normal business operation
lighting associated with transportation
instrumentation and installed by its manufacturer
performance, stage, film production, and video production
handling, transportation sites, and associated storage areas
public monuments, and the national flag
swimming pools
and complying with R404.1
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Exceptions: Covered vehicle entrances or exits from buildings and parking structures where required for safety, security or eye adaptation; and lighting controlled from within dwelling units
daylight is present satisfying needs in the space
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lighting) shall have controls configured to automatically reduce connected lighting power not less than 30% by selectively switching off or dimming luminaires at one of the following times:
6 am
closing to not earlier than 1 hour before
detected for at least 15 minutes
automatically off from not later than 1 hour after business closing to not earlier than 1 hour before opening
not fewer than 7 days
per week
setting during loss of power for a period of > 10 hours
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requirements of the Tables provided in the code when tested and rated in accordance with test procedure 10 CFR 431
program does not exist, ratings shall be supported by data furnished by transformer manufacturer Exceptions:
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displays)
the max. rated speed of the fan
elevator is stopped, unoccupied and with its doors closed for > 15 minutes
ASME A17.1/CSA B44 or applicable local code when not conveying passengers
Exception: Variable voltage drive systems that reduce operating voltage in response to light loading conditions is an alternative to reduced speed function
electrical system when escalator is loaded with passengers with a combined weight > 750 pounds
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Prior to passing final inspection, registered design professional to provide evidence that lighting control systems have been tested to ensure that control hardware and software are calibrated, adjusted, programmed and in proper working order per construction documents and manufacturer’s installation instructions Occupancy Sensor Controls
manufacturer recommendation
combination of sensor type and space geometry
combination of sensor type and space geometry are provided > 10%, but in no
tested unless the code official or design professional requires a higher percentage to be tested
remaining identical combinations must be tested
within required time
level when someone enters the space
manually activated
movement in nearby areas or by HVAC
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energized
and document:
switches
enclosed space where switch is located
and document:
lighting where it is located
registered design professional
have appropriate setpoints and threshold light levels
correct levels with available daylight
calibration adjustment equipment
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Prescriptive ASHRAE 90.1-2016 Simulated Performance
Section C407 – Total Building Performance Section C402.5 – Air Leakage Section C405 – Lighting Section C404 – Service Water Heating Section C403 – Mechanical Section C402 – Envelope Section C403.2 – Mechanical Systems Section C404 – Service Water Heating Section C405 – Lighting Mandatory Sections Building energy cost to be ≤85% of standard reference design Section C406 – At Least One Required
C406.2 - Eff. HVAC Performance C406.3 - Reduced Lighting Power C406.4 - Enhanced Lighting Controls C406.6 - Dedicated Outdoor Air System C406.5 -On-Site Renewable Energy C406.7 - High Eff. Service Hot Water C406.8 - Enhanced Building Envelope C406.9 – Reduced Air Infiltration
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90% of values in Table C405.4.2(1) x floor area for the building types OR
in Section C405.4.2
reduced whole building interior lighting power in Table 406.3 x floor area for the building types
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functions:
testing of the controls
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Lynn.chamberlin@Nebraska.gov More Information can be found at: www.iccsafe.org
the code you wish to view.”
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